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Old 12-21-2015, 11:53 AM   #16
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Mower spark plug cap-image.jpg



This is what I bought today at my mower repair shop. They checked files and No they didn't replace my SP. so its now 3.5 yrs old.

They said I don't need the wire gauge cause the SP's are pre-set. And they said I need their socket which has a handle cause the one I have diesn't fit.

But they said its probably not that. The carburetor may need cleaned cause it sat for 3 months without being used.

The socket I bought yesterdaydidn't fit so Im returning it. And, wire gage since I dont need that.
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Old 12-21-2015, 12:26 PM   #17
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Before you do anything else, including installing the new spark plug, please wait for someone to show you or provide a picture of where to disconnect the magneto kill wire and how to remove the air filter to reveal the opening of the carburetor.

Once those two are accomplished put about an eye dropper or half teaspoon of gasoline in the carburetor opening and pull the rope to determine if it will at least fire and attempt to start. Follow the normal start procedures. If it does start, or attempt to, take the spark plug back too, you don't need it.
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Old 12-21-2015, 12:42 PM   #18
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You do need the wire gauge.

Because the plug might have gotten bumped in shipping and changed the gap.

A real repair-person knows this, and will check it before installing just to be sure.

A "parts changer" will just use it as is, and sell you another when the one that is not set correct burns out prematurely.

That combination screwdriver / plug tool is a good tool to have , it can be used to adjust the carburetor, change spark plugs, remove the air filter, etc.


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Old 12-22-2015, 08:08 AM   #19
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Crud!!!

The newest screwdriver/plug changer won't reach my SP. my SP is recessed too far back and the new handle gets in way.

I'm going back to HD and buying every socket that looks like it might fit.


Edit: duh, I'll take my new spark plug with me to buy a socket. (Assuming the repair shop sold me right size SP.)

Last edited by Startingover; 12-22-2015 at 08:15 AM.
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Old 12-22-2015, 08:25 AM   #20
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There are only 2 size spark plugs, 5/8 and 13/16, so just get one of those, and a ratchet the size drive it is.

You might be able to use a swivel joint and extension also to easier get to the plug.

As I said before "if my knowhow was closer" I could do this very easily.

But there is a few thousand miles from here to there and my arms ain't that long.


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Old 12-22-2015, 09:59 AM   #21
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Mower spark plug cap-image.jpg


None of the SP sockets fit, so I got this deep socket.

No salesmen but a bunch of men men so I just yelled out 'does anyone know about SP? ' and a guy said this socket will work.

The repair shop said go to Walmart an get can of Carburetor spray. But too many xmas shoppers today. Will deal with where to spray AFTER I get done with this stupid SP.

If knowledge is power I have learned a lot so far. Obviously not enough to get to my goal, but I'm closer.

Perseverance.

Thanks Ed, it was nice to hear even if you are too far away.
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Old 12-22-2015, 11:25 AM   #22
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Sorry to jump in at this late hour, especially when it looks like you are receiving sound advice, but, in case you're headed back by the store before changing the plug, take that socket back, and try a 5/8" one. As mentioned, there are two sizes for plugs, 5/8", as in your case, or 13/16. That one will fit, but is going to be sloppy. Also, just for future reference, spark plug specific sockets typically have a rubber boot that keeps the plug from falling out of the socket, and my guess is that the one you tried was a little stiff and you weren't pressing it in tight enough.
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Old 12-22-2015, 02:29 PM   #23
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Finally, got the SP's changed out and unfortunately, as the repair shop suspected it wasn't that.

Still won't start. Will buy Carb. Spray tomorrow. If that doesn't work then will take it to the shop.

Now I'm going to look at videos on where to spray carburetor spray.

Senior, I do change my air filter but never looked at what's behind the filter.

Dexter, I tried but could not get my SPs in that SP socket. Seemed to work ok with the deep socket.
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Old 12-22-2015, 05:04 PM   #24
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Spraying Carb Cleaner on the outside of the carb is a waste of time.

The carb needs to be disassembled and cleaned inside and outside.

Since you do not have an inkling of where and what to do ,I will suggest that you skip it, as there are small tiny parts inside that will get lost if you are not careful.

You were having problems with those sockets because they have a rubber sleeve inside them that fits tight over the ceramics to hold the plug and to keep you from misaligning the socket and snapping the ceramic in half.

I have seen it done from time to time, so it is not you.

Are you sure that you are actually getting spark to the plug?

Hope that the shop does not charge you too much, but I believe that you need to turn this over to someone with more experience.

There is no shame in admitting defeat.


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Old 12-22-2015, 05:53 PM   #25
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Yeah, I'll be able to use my daughter's SUV tomorrow so will take the mower in. Its annoying cause the needle stuck 3 months ago, leaking gas, and it was $85. It's always $85.

What's the gap suppose to be on the SP? A video said 30. I measured the new SP and it was really too tight so I tried to bend the prong a tiny bit but don't think I was able to.

But, I am happy now to be able to change a spark plug.

I'll go back an read how to tell if theres a spark.
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Old 12-22-2015, 10:39 PM   #26
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That wire gauge is also designed to bend the electrode , that little thing sticking out around the circumference goes over the electrode on it's side and you gently pry in or out , whichever it needs.

Did I say GENTLY, careful bending, it can be broken off easily, then it will never spark again.


There should be a spec sheet in the manual, if it is not miracle grow stained.

You could find it also at the manufacturers website, under your specific model mower.

ED
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Old 12-23-2015, 04:41 PM   #27
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Thanks, I went ahead and bought carb spray or cleaner as the can says. i'm only spraying behind the air filter. Then off to the shop.

I had a regular push mower 1990-2000, Briggs an Stratton engine and NEVER took it to the shop.

This Kohler engine, self-propelled, mulching mower has been a pia.

I just hope it lasts till I can get a riding mower.
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Old 12-31-2015, 05:37 PM   #28
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When you take the mower in, take that plug, screw driver gizmo back also you don't need that, it usually comes with a chain saw.
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